s3 list_object: return the NextMarker info if it's truncated
s3 list_object: return the NextMarker info if it's truncated

william-richard/moto,spulec/moto,spulec/moto,spulec/moto,spulec/moto,william-richard/moto,william-richard/moto,william-richard/moto,spulec/moto,william-richard/moto,william-richard/moto,spulec/moto